Home / 30,577.45-42,197.23-16,965.75

Finding the Fourth Proportional to 30,577.45, 42,197.23 and 16,965.75

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Solution

The fourth proportional to 30,577.45, 42,197.23 and 16,965.75 is: 23,412.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,577.45 : 42,197.23 = 16,965.75 : x
  2. Step 2: Convert to fraction form
    30,577.45/42,197.23 = 16,965.75/x
  3. Step 3: Cross multiply
    30,577.45x = 42,197.23 × 16,965.75
  4. Step 4: Simplify right side
    30,577.45x = 715,907,443.89
  5. Step 5: Solve for x
    x = 715,907,443.89/30,577.45
  6. Step 6: Final answer
    x = 23,412.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.